Edit File: calc.json
{ "title":"calc() as CSS unit value", "description":"Method of allowing calculated values for length units, i.e. `width: calc(100% - 3em)`", "spec":"https://drafts.csswg.org/css-values-3/#calc-notation", "status":"cr", "links":[ { "url":"https://hacks.mozilla.org/2010/06/css3-calc/", "title":"Mozilla Hacks article" }, { "url":"https://developer.mozilla.org/en/docs/Web/CSS/calc", "title":"MDN Web Docs - calc" }, { "url":"https://www.webplatform.org/docs/css/functions/calc", "title":"WebPlatform Docs" } ], "bugs":[ { "description":"IE 9 - 11 and Edge do not support `width: calc()` on table cells. [Bug Report](https://web.archive.org/web/20171123043312/https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10982196/)" }, { "description":"IE 9 - 11 don't render `box-shadow` when `calc()` is used for any of the values" }, { "description":"IE10 crashes when a div with a property using `calc()` has a child with [same property with inherit](https://stackoverflow.com/questions/19423384/css-less-calc-method-is-crashing-my-ie10)." }, { "description":"IE10, IE11, and Edge < 14 don't support using `calc()` inside a `transform`. [Bug report](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/104773/)" }, { "description":"IE11 is reported to have trouble with `calc()` with nested expressions, e.g. `width: calc((100% - 10px) / 3);` (i.e. it rounds differently)" }, { "description":"IE11 is reported to not support `calc()` correctly in [generated content](https://stackoverflow.com/questions/31323915/internet-explorer-incorrectly-calculates-percentage-height-for-generated-content)" }, { "description":"IE11 does not support transitioning values set with `calc()`" }, { "description":"Safari & iOS Safari (both 6 and 7) does not support viewport units (`vw`, `vh`, etc) in `calc()`." }, { "description":"IE & Edge are reported to not support calc inside a 'flex'. (Not tested on older versions)\r\nThis example does not work: `flex: 1 1 calc(50% - 20px);`" }, { "description":"IE does not support `calc()` on color functions. Example: `color: hsl(calc(60 * 2), 100%, 50%)`." }, { "description":"Firefox <48 does not support `calc()` inside the `line-height`, `stroke-width`, `stroke-dashoffset`, and `stroke-dasharray` properties. [Bug report](https://bugzilla.mozilla.org/show_bug.cgi?id=594933)" }, { "description":"Firefox <59 does not support `calc()` on color functions. Example: `color: hsl(calc(60 * 2), 100%, 50%)`. [Bug Report](https://bugzilla.mozilla.org/show_bug.cgi?id=984021)" }, { "description":"Firefox <66 does not support `width: calc()` on table cells. [Bug Report](https://bugzilla.mozilla.org/show_bug.cgi?id=957915)" } ], "categories":[ "CSS3" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"a #2", "10":"a #3", "11":"a #3" }, "edge":{ "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y" }, "firefox":{ "2":"n", "3":"n", "3.5":"n", "3.6":"n", "4":"y x", "5":"y x", "6":"y x", "7":"y x", "8":"y x", "9":"y x", "10":"y x", "11":"y x", "12":"y x", "13":"y x", "14":"y x", "15":"y x", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "82":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"y" }, "chrome":{ "4":"n", "5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"n", "11":"n", "12":"n", "13":"n", "14":"n", "15":"n", "16":"n", "17":"n", "18":"n", "19":"y x", "20":"y x", "21":"y x", "22":"y x", "23":"y x", "24":"y x", "25":"y x", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "59":"y", "60":"y", "61":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "83":"y", "84":"y", "85":"y", "86":"y", "87":"y", "88":"y", "89":"y", "90":"y", "91":"y", "92":"y", "93":"y", "94":"y", "95":"y", "96":"y", "97":"y", "98":"y", "99":"y" }, "safari":{ "3.1":"n", "3.2":"n", "4":"n", "5":"n", "5.1":"n", "6":"y x", "6.1":"y", "7":"y", "7.1":"y", "8":"y", "9":"y", "9.1":"y", "10":"y", "10.1":"y", "11":"y", "11.1":"y", "12":"y", "12.1":"y", "13":"y", "13.1":"y", "14":"y", "14.1":"y", "15":"y", "15.1":"y", "15.2":"y", "TP":"y" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"n", "10.6":"n", "11":"n", "11.1":"n", "11.5":"n", "11.6":"n", "12":"n", "12.1":"n", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y", "58":"y", "60":"y", "62":"y", "63":"y", "64":"y", "65":"y", "66":"y", "67":"y", "68":"y", "69":"y", "70":"y", "71":"y", "72":"y", "73":"y", "74":"y", "75":"y", "76":"y", "77":"y", "78":"y", "79":"y", "80":"y", "81":"y", "82":"y" }, "ios_saf":{ "3.2":"n", "4.0-4.1":"n", "4.2-4.3":"n", "5.0-5.1":"n", "6.0-6.1":"y x", "7.0-7.1":"y", "8":"y", "8.1-8.4":"y", "9.0-9.2":"y", "9.3":"y", "10.0-10.2":"y", "10.3":"y", "11.0-11.2":"y", "11.3-11.4":"y", "12.0-12.1":"y", "12.2-12.5":"y", "13.0-13.1":"y", "13.2":"y", "13.3":"y", "13.4-13.7":"y", "14.0-14.4":"y", "14.5-14.8":"y", "15.0-15.1":"y", "15.2":"y" }, "op_mini":{ "all":"n" }, "android":{ "2.1":"n", "2.2":"n", "2.3":"n", "3":"n", "4":"n", "4.1":"n", "4.2-4.3":"n", "4.4":"a #1", "4.4.3-4.4.4":"a #1", "96":"y" }, "bb":{ "7":"n", "10":"y" }, "op_mob":{ "10":"n", "11":"n", "11.1":"n", "11.5":"n", "12":"n", "12.1":"n", "64":"y" }, "and_chr":{ "96":"y" }, "and_ff":{ "94":"y" }, "ie_mob":{ "10":"y", "11":"y" }, "and_uc":{ "12.12":"y" }, "samsung":{ "4":"y", "5.0-5.4":"y", "6.2-6.4":"y", "7.2-7.4":"y", "8.2":"y", "9.2":"y", "10.1":"y", "11.1-11.2":"y", "12.0":"y", "13.0":"y", "14.0":"y", "15.0":"y" }, "and_qq":{ "10.4":"y" }, "baidu":{ "7.12":"y" }, "kaios":{ "2.5":"y" } }, "notes":"Support can be somewhat emulated in older versions of IE using the non-standard `expression()` syntax.\r\n\r\nDue to the way browsers handle [sub-pixel rounding](https://johnresig.com/blog/sub-pixel-problems-in-css/) differently, layouts using `calc()` expressions may have unexpected results.", "notes_by_num":{ "1":"Partial support in Android Browser 4.4 refers to the browser lacking the ability to multiply and divide values.", "2":"Partial support in IE9 refers to the browser crashing when used as a `background-position` value.", "3":"Partial support in IE10/IE11 refers to calc not working properly with various use cases mentioned in known issues" }, "usage_perc_y":97.31, "usage_perc_a":1.07, "ucprefix":false, "parent":"", "keywords":"", "ie_id":"csscalc", "chrome_id":"5765241438732288", "firefox_id":"", "webkit_id":"", "shown":true }
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